Except incidentally, the 4000 km heading will be reached and surpassed tonight by Raf Van Hulle, the fastest solar cyclist on Sun Trip 2018. 4000 km represents 1/3 of the estimated total distance to Guangzhou in China, or 12000 km. Stéphane Bertrand follows him some 300 miles back. Because of the itinerary he chose, he has already exceeded this heading of 4000 km.
The 37 suntripeurs has been pedaling since the grand start in Chamonix for 17 days.